Workspace Versioning and Configuration Management. Software AG is going to implement the current draft of JSR 147 API. The implementation will be based on the Jakarta Commons HttpClient and located in the Jakarta Slide project.

Latka is a functional (end-to-end) testing tool. It is implemented in Java, and uses an XML syntax to define a series of HTTP (or HTTPS) requests and a set of validations used to verify that the request was processed correctly.

JMeter is a pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications only but has since expanded to other test functions.

ServiceMix is an open source Enterprise Service Bus (ESB) based around the Java Business Integration specification JSR 208 under the Apache 2.0 licence. ServiceMix consists of a JBI container and component suite, massive connectivity to many protocols with complete integration with Spring and Geronimo as well as supporting straight through, SEDA and clustered message flows, smart routing and transformations and orchestration via BPEL.

LimeWire is a robust, open-source, multi-platform, consumer-oriented P2P file-sharing client. LimeWire uses HttpClient because it is a highly customizable and efficient HTTP manager, and has proven itself to work without any hitches on the hundreds of thousands of daily users of LimeWire

ContactOffice is a complete groupware solution ('Virtual office') combining mail, calendar, storage, contacts, and more. HttpClient is used for back-end tasks such as inter-server communication and SMS transmission.

Newknow is a Knowledge Management Suite based on Artificial Intelligence, Collaboration and Document Management and we use Commons HttpClient as part of our Knowledge Spider. This Spider retrieves all the information gathered by the Agents and the corporative sources on the network.

Web Abstraction Layer (formerly known as de4d2c) - development environment 4 documents 2 content - is an in-browser web page wrapper development system that returns it's extraction result as XML using XSLT generated from intuitive user input. Commons HttpClient is used as the robust base of the whole system.

Reflexe Technologies has developed a servlet-based application that works with Verity Ultraseek, formerly known as Inktomi Enterprise Search, that highlights terms that match search query, by intercepting HTTP communication between the browser and the original document server. It can highlight terms in HTML documents, as well as Word, Excel, Powerpoint, and Acrobat PDF documents, and uses the Jakarta HttpClient for better performance than that provided by the standard J2SE platform, and in particular because it must be able to offer NTLM authentification when required.

Mule is a robust and highly scalable broker and services ESB framework. It is designed as a light-weight, event-driven component technology that handles communication with disparate systems transparently providing a simple component interface.

Delosis Psytools is a flexible platform for distributed cognitive research. Study participants perform tasks using the Psytools smart client, which relies on the HttpClient library for HTTPS communication of research tasks and resultant data.

Celware WebRecorder rapidly and easily exposes information on existing Web sites to other IT systems via a programmatic service, using the same interface as a standard Web browser. If you can see the information on the Web, Celware WebRecorder can learn by example and create a service to include that information in your IT environment-without making any changes to the Web server!

Solex is a free open source Web application testing tool built as a plug-in for the Eclipse IDE. It provides functions to record a client session, adjust it according to various parameters and replay it later typically in order to ensure non regression of the application's behaviour. Solex acts as an HTTP proxy and records all HTTP requests and responses going through the wire between a Web client and a Web server. The Solex HTTP client module is built on the Jakarta's HttpClient project.

TCBuilder is a GUI development framework based on Eclipse platform to design, develop and debug swing based rich and interactive web applications. Its presentation engine uses HttpClient APIs to exchange GUI data and events with server based logic.

The BigBlogZoo is a Semantic Web Browser. Nearly 70,000 newsfeeds and blogs have been categorized and integrated into a collaborative framework we call the Zoo. We present to the user the channel concept, much like a television, except for a browser. Users can submit, browse, spider and reaggregate these channels. Future enhancements for collaboration will include the ability to reorganize and rate channels.

A web-based IDX solution for Interactive Tools Realty Manager. This application provides a single solution for Real Estate advertising by pulling the listings from the local MLS and feeding them into Realty Manager to generate extremely versatlile web pages.

Hippojump is an open-source project that hosts a Eclipse RCP-based news/data aggregator that captures different data sources such as RSS, XML, HTML, web services and allows the user to set keywords filter on the data and also set the delivery mode of the data, such as browser, email, SMS, etc.

Restlet, a lightweight REST framework for Java, natively supports the Jakarta Commons HTTP Client. It is available as a pluggable alternative to our other HTTP client connector based on JDK's HttpURLConnection. It adds an abstraction layer over Jakarta HTTP Client and allow Restlet applications to transparently switch between several implementations without modifying a single line of code.